Dimensional Drawings............63 Initial Start-Up of a HRP System ........27 Horizontal—Straight-Through Configuration ....63 Horizontal—Hanging Bracket Locations ......64 Unit Configuration.............28 Vertical Dimensional Drawing........65 Bosch EasyStart App..........28 8733819578 (2019/02) Subject to change without prior notice Greensource CDi Series SM Model...
Page 3
Greensource CDi Series SM Model Exploded Views..............66 HZ Unit Exploded View ..........67 VT Unit Exploded View..........68 Terminology ..............69 Acronyms ..............69 Terms ..............69 Spare Parts List..............70 Wiring Harness ............70 Electrical Box Typical Layout and Spare Parts List... 74 Refrigeration Components ..........
4 | Document Conventions Greensource CDi Series SM DOCUMENT CONVENTIONS Key to Symbols CAUTION: When working on equipment, always observe precautions described in Warnings the literature, tags, and labels attached to Warnings in this document are identified by the unit. Follow all safety codes. Wear a warning triangle printed against a gray safety glasses and work gloves.
Model Nomenclature | 5 Greensource CDi Series SM Model MODEL NOMENCLATURE Fig. 1 Model Nomenclature Greensource CDi Series SM Model Subject to change without prior notice 8733819578 (2019/02)
Air Heat Pumps provide the best combination of performance and efficiency available. The heat The basic Horizontal (HZ) unit layout and pump comes equipped with Bosch’s commitment connections are shown in Fig. 2. Refer to to Creative Design and Innovation (CDi).
Fig. 5 Corner Caps Package (HZ units only) Initial Inspection Inspect the product carefully for any defects or discrepancies. Should you identify any issue, contact the Bosch Wholesaler/Distributor from which you purchased the unit. Fig. 6 Hanging Bracket kit (HZ units only) Standard Package Fig.
8 | Unit Installation Greensource CDi Series SM UNIT INSTALLATION BLOWER CONFIGURATIONS This section contains information on the following: Horizontal (HZ) Blower Configuration • Location Selection—page #8 The HZ configuration water source heat pump is • Blower Configurations—page #8 designed to have a field-configurable blower •...
Page 9
Blower Configurations | 9 Greensource CDi Series SM Model 3. Remove the bracket by removing the three Left-hand and right-hand Horizontal (HZ) units screws securing it and retain the bracket. (See have different Blower Configuration instructions. Fig. 12.) eft-hand unit instructions refer to page #9 and right-hand unit instructions refer to page #11.
Page 10
10 | Blower Configurations Greensource CDi Series SM 6. Rotate the blower into its new position. (See Fig. 15.) Fig. 17 9. Remove the blower collar by removing the eight screws securing it and discard. (See Fig. Fig. 15 18.) 7.
Page 11
Blower Configurations | 11 Greensource CDi Series SM Model 11. Reinstall the bracket in its new vertical position using two screws. (See Fig. 20.) Fig. 22 14. Connect the vertical and horizontal brackets using four screws. (See Fig. 23.) Fig. 20 12.
Page 12
12 | Blower Configurations Greensource CDi Series SM 2. Disconnect blower motor wiring and ground wire fastened to blower housing. (See Fig. 25.) Fig. 25 3. Remove and retain the four screws under the Fig. 27 blower collar. (See Fig. 26.) 5.
Page 13
Blower Configurations | 13 Greensource CDi Series SM Model The unit’s top is notched to allow blower to slide through. Fig. 29 7. Rotate the blower into its new position. (See Fig. 30.) Fig. 32 10. Remove the blower collar by removing its eight screws and discard the collar.
14 | Return and Discharge Air Duct Flanges Preparation Greensource CDi Series SM Vertical (VT) Blower Configuration The Vertical (VT) configuration water source heat pump is a dedicated up-flow configuration. Available from the factory in left-hand and right- hand return air configurations. RETURN AND DISCHARGE AIR DUCT FLANGES PREPARATION Return and Discharge Air Duct Flanges are shipped...
Page 15
Corner Cap Installation Instructions (for HZ Units Only) | 15 Greensource CDi Series SM Model Fig. 39 2. In preparation for installation identify each corner cap location. (See Fig. 40.) Fig. 41 Fig. 40 Ensure cabinet surface is clean and free of debris to ensure proper corner cap adhesion.
16 | Mounting Vertical (VT) Units Greensource CDi Series SM MOUNTING VERTICAL (VT) UNITS NOTICE: Horizontal units installed above VT units should be mounted level on a vibration the ceiling must conform to all local codes. absorbing pad slightly larger than the base to An auxiliary drain pan, if required by code, minimize vibration transmission to the building should be at least four inches larger than...
Page 17
Hanging Bracket Kit | 17 Greensource CDi Series SM Model WARNING: Do NOT reuse screws removed from the unit in Step #1 to mount the hanging brackets to the unit. Fig. 45 This kit includes the following: (5) Brackets (5) Rubber Vibration Isolators (8) Screws: #10 x 1/2 (not used for these models) Fig.
18 | Condensate Drain Greensource CDi Series SM CONDENSATE DRAIN NOTICE: Do not connect discharge ducts A drain line must be connected to the heat pump directly to the blower outlet. and pitched away from the unit a minimum of 1/8” per foot to allow the condensate to flow away from The factory-provided air filter must be removed the unit.
Page 19
Piping | 19 Greensource CDi Series SM Model loose. For HZ units, the fitting is factory brazed.) Consult Unit Dimensional Drawings on page #63 NOTICE: Proper testing is required to through page #65. ensure the well water quality is suitable for use with water source equipment.
Page 20
20 | Piping Greensource CDi Series SM Water Quality Water Characteristic Acceptable Value POTENTIAL PROBLEM Copper Cupro-Nickel pH (Acidity/Alkalinity) 7–9 7–9 SCALING Hardness (CaCO3, < 350 ppm < 350 ppm MgCO3) Ryznar Stability Index 6.0–7.5 6.0–7.5 Langelier Saturation Index -0.5 – +0.5 -0.5 –...
Electrical | 21 Greensource CDi Series SM Model ELECTRICAL ELECTRONIC THERMOSTAT Installation WARNING: Field wiring must comply with Thermostat wire must be 8-conductor, 18-AWG local and national electric codes. wire. Strip the wires back 1/4-inch (longer strip lengths may cause shorts) and insert the thermostat wires into the heat pump connector as shown below.
22 | Heat Recovery Package (HRP) Setup Greensource CDi Series SM HEAT RECOVERY PACKAGE (HRP) SETUP 7. Install HR water piping. Water Tank Preparation Concentric water fitting (p/n 8733907779) is 1. Turn off electrical or fuel supply to the water recommended.
Heat Recovery Package (HRP) Setup | 23 Greensource CDi Series SM Model Water Tank Refill 1. Open the cold water supply to the tank. 2. Open a hot water faucet to vent air from the system until water flows from the faucet, then close.
24 | Specific Application Considerations Greensource CDi Series SM SPECIFIC APPLICATION exchanger. This can be accomplished with either a control valve or a bladder-type expansion tank. CONSIDERATIONS When using a single water well to supply both Well Water Systems domestic water and the heat pump, care must be taken to ensure that the well can provide sufficient Copper is adequate for ground water that is not flow for both.
Specific Application Considerations | 25 Greensource CDi Series SM Model Cooling Tower/Boiler Systems Piping Cooling Tower/Boiler Systems The cooling tower and boiler water loop Consult the specification sheets for pipe temperature is usually maintained between 50°F connection sizes. to 100°F to ensure adequate cooling and heating performance.
26 | Specific Application Considerations Greensource CDi Series SM Geothermal Systems Refer to the Bosch flow center installation manuals for specific instructions. Closed-loop and pond applications require specialized design knowledge. No attempt at these installations should be made unless the dealer has received specialized training.
Post-Installation System Checkout | 27 Greensource CDi Series SM Model POST-INSTALLATION SYSTEM UNIT START-UP CHECKOUT 1. Set the thermostat to the highest setting. After completing the installation and before 2. Set the thermostat system switch to “COOL,” energizing the unit, the following system checks and the fan switch to the “AUTO”...
Bosch EasyStart app’s Installation, application is available in the Google Playstore, the Operation, and Maintenance Manual (IOM). Apple App Store, as well as the Bosch Pro HVAC website (www.boschprohvac.com). Search for “Bosch EasyStart” in the appropriate store for your device to download and launch the app.
(configurable allow the alarm relay to pulse the alarm in sync via the Bosch EasyStart app). If the control senses with the status LED indicator. the same fault for the number of times configured...
The fan ramps up to full- cooling air flow. The fan can be configured via the Bosch EasyStart app to run in a range of CFM from 300 to 450 in 25 CFM increments. The controller has airflow...
(configurable from two heating, the second stage is initiated by calculating to six times/hour via the Bosch EasyStart App) progress of the current state, regardless of a call in 90-second intervals to determine whether or for the second stage of cooling/heating.
CFM output will be reduced by 15% (adjustable). The fan CFM reduction percentage is adjustable from 15% to 40% reduction from nominal via the Bosch EasyStart app. The controller has a minimum 270 CFM/Ton requirement. The controller will not allow the...
P8. Upon receiving a (Y1) demand from counter (set via the Bosch EasyStart app) the HPC the thermostat, it will verify that all safety switches will shut down the compressor and enter a hard are in normal condition prior to initiating the lockout.
15-minute timer message will be broadcast to the Live Monitor has expired. Low Loop Water Protection Control is screen on the Bosch EasyStart app and LLWPC disabled if the EWT or the LWT sensors are out of mode will be disabled.
Page 36
Not Cooling, Heating with Cooling Demand, Not Heating, or Cooling with Heating Demand. This information will appear on the monitor interface when paired with the Bosch EasyStart app. The factory location of the RAT is shown in Fig. 58. Fig. 56 Condensate Overflow Sensor Location...
Page 37
An EWT sensor is installed on the entering water (26°F) but can be set for all values between (26°F) pipe of the coaxial water coil. and (15°F) via the Bosch EasyStart app. If the temperature drops below or remains constant at Cooling Mode the configured freeze point for more than 30 High EWT, above 110.5°F for one minute, will...
Page 38
Greensource CDi Series SM Lockout If the number of freeze faults detected exceeds two to four times (configurable via the Bosch If the number of freeze faults detected exceeds EasyStart app) within one hour, the controller will two to four times (based on configuration set via go into hard lockout.
Page 39
The minimum and maximum allowed temperature set points are 110°F and 140°F respectively and can be adjusted via the Bosch EasyStart app. The controller will run the pump four times/hour (adjustable two to six times/hour via Bosch EasyStart app) to determine whether or not domestic hot water production is needed.
Electric Heat a desired configuration but is needed, contact Internally-mounted supplemental electric heat is your Bosch distributor or local sales rep. for the available on select models of the SM series. available Duct Mounted Electric Heat Package. Electric heating elements can operate along with...
Options | 41 Greensource CDi Series SM Model Smart Start Assist Specifications Smart Start Assist Specifications Rated Operational Voltage: 208/230VACrms +/- 15% 50-60 Hz Environmental Operating Range: -4° to 149°F (-20° to 65°C); < 95% @ 40 C relative humidity, non-condensing Degree of Protection: IP20...
Page 42
42 | Options Greensource CDi Series SM Fig. 68 Smart Start Assist Modes of Operations (Overcurrent Condition and Incomplete Ramp Alarm) Smart Start Assist Modes of Operation Notes 4. In the case of an under voltage, the Smart Start Assist will shut down and the red LED flashes 1.
Options | 43 Greensource CDi Series SM Model Loop Pump Control (former Pump Valve 6. A detection circuitry provides protection in case of a faulty starting capacitor EMR. In such Relay Kit) situations, the red LED will flash four times for A loop pump control relay has been integrated into five minutes.
(where the label is affixed) and the WIM will broadcast the unique Wi-Fi network signal so the Bosch EasyStart app can connect and Fig. 69 Vertical (VT) Unit WIM Mounting Location communicate with the WIM. The WIM’s operation...
Troubleshooting | 45 Greensource CDi Series SM Model TROUBLESHOOTING HPC LED Status Indicator (Blink Code) Information The HPC LED status indicator is found on the HPC board and is labeled “STATUS.” Indication Color Blinks Description Status LED is No Fault Status Invalid Call solid...
46 | Unit Troubleshooting Greensource CDi Series SM UNIT TROUBLESHOOTING Unit Troubleshooting Problem Check Possible Cause Action Open compressor overload Check for supply voltage at the load side of the contractor. For 3-phase models, check phase rotation and voltage at all three phases. Poor wiring connections Look for signs of heat on the wiring insulation.
Page 47
Unit Troubleshooting | 47 Greensource CDi Series SM Model Unit Troubleshooting Problem Check Possible Cause Action Is the motor Wait at least 5 minutes after the start- behavior only Ramp-up programming up and then change the fan operation observed during delays are still in effect based on thermostat call.
Page 48
48 | Unit Troubleshooting Greensource CDi Series SM Unit Troubleshooting Problem Check Possible Cause Action Consult blower performance table and Air flow too high Fan speed setting too high reduce fan speed if possible. EXCESSIVELY High or low WARM SUPPLY AIR Inlet water temperature out Check unit capacity vs.
Page 49
Unit Troubleshooting | 49 Greensource CDi Series SM Model Unit Troubleshooting Problem Check Possible Cause Action Check pump operation/check flow Reduced or no water flow rate. Water temperature out of Bring water temperature within range. range Check for dirty air filter or coil. Check Reduced airflow fan motor operation and airflow LOW-PRESSURE...
Page 50
50 | Unit Troubleshooting Greensource CDi Series SM Unit Troubleshooting Problem Check Possible Cause Action Check power supply and 24 VAC voltage before and during operation. Check power supply wire size are in Nominal voltage below accordance with local codes. Check recommended value compressor starting load.
Page 51
Unit Troubleshooting | 51 Greensource CDi Series SM Model Unit Troubleshooting Problem Check Possible Cause Action Low loop temperature Loop has reached a temperature detected. Entering water outside the unit operating range Compressor, EWT LOW-LIMIT temperature falls below low compressor has been disabled, and Loop Pump, TRIP loop water protection...
52 | Unit Troubleshooting Greensource CDi Series SM Unit Noise Troubleshooting Problem Mode Check Possible Cause Action Cooling Heating Ensure the ductwork and Poor ductwork/ grills are properly sized grill design for the unit air flow. Air noise Consult blower Fan speed setting performance table and too high...
Unit Troubleshooting | 53 Greensource CDi Series SM Model HRP Troubleshooting Problem Possible Cause Checks and Corrections No Power Check power supply On/Off Switch Position Set switch to “ON” position Compressor Contactor Engage heat pump contactor Broken or loose wires Repair or tighten wires NO FLOW LOW FLOW...
54 | Unit Troubleshooting Greensource CDi Series SM Smart Start Assist Troubleshooting Red Led Relay Condition Action Contact* FULLY ON + 11/12 Min. recovery time between starts Auto reset when minimum recovery and/or recovery time between stop to time elapses start 2 FLASHES 11/14...
Unit Troubleshooting | 55 Greensource CDi Series SM Model Water Side Pressure Drop Table for HZ Units Additional Pressure Drop in Heat Pump Water Pressure Drop Hose Kit* MODEL Water PD @ 77°EWT with Water Water PD in PSI in PSI 0.04 0.04 0.09...
56 | Unit Troubleshooting Greensource CDi Series SM Water Side Pressure Drop Table for VT Units Additional Pressure Drop in Heat Pump Water Pressure Drop Hose Kit* Model Water PD @ 77°EWT with Water Water PD in PSI in PSI 0.03 0.05 0.08...
Maintenance | 57 Greensource CDi Series SM Model MAINTENANCE 4. Periodic lockouts almost always are caused by air or water flow problems. The lockout (shutdown) of the unit is a normal protective WARNING: Before performing service or measure in the design of the equipment. If maintenance operations on the system, turn continual lockouts occur call a mechanic off the main power to the unit.
58 | Wiring Diagrams Greensource CDi Series SM WIRING DIAGRAMS Fig. 73 One Stage (2-Step) Single-Phase Unit with EON Motor FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. 8733819578 (2019/02) Subject to change without prior notice Greensource CDi Series SM Model...
Page 59
Wiring Diagrams | 59 Greensource CDi Series SM Model Fig. 74 One Stage (2-Step) Single-Phase Unit with EON Motor and Electric Heat FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. Greensource CDi Series SM Model Subject to change without prior notice 8733819578 (2019/02)
Page 60
60 | Wiring Diagrams Greensource CDi Series SM Fig. 75 Electric Heat Wiring FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. 8733819578 (2019/02) Subject to change without prior notice Greensource CDi Series SM Model...
Thermostat Connections | 61 Greensource CDi Series SM Model THERMOSTAT CONNECTIONS ALARM TERMINAL WIRING The HPC is equipped with standard coded thermostat interface connectors. Refer to the figures below. Fig. 78 Alarm Terminal Connectors on the HPC Board Fig. 76 HPC Thermostat Connector Fig.
62 | Alarm Terminal Wiring Greensource CDi Series SM Basic Piping Diagram Fig. 82 Basic Piping Diagram 8733819578 (2019/02) Subject to change without prior notice Greensource CDi Series SM Model...
Dimensional Drawings | 63 Greensource CDi Series SM Model DIMENSIONAL DRAWINGS Horizontal—Straight-Through Configuration Fig. 83 HZ Straight-Through Configuration Greensource CDi Series SM Model Subject to change without prior notice 8733819578 (2019/02)
64 | Dimensional Drawings Greensource CDi Series SM Horizontal—Hanging Bracket Locations Fig. 84 HZ Hanging Bracket Locations 8733819578 (2019/02) Subject to change without prior notice Greensource CDi Series SM Model...
Dimensional Drawings | 65 Greensource CDi Series SM Model Vertical Dimensional Drawing Fig. 85 VT Greensource CDi Series SM Model Subject to change without prior notice 8733819578 (2019/02)
66 | Exploded Views Greensource CDi Series SM EXPLODED VIEWS Fig. 86 Exploded View 8733819578 (2019/02) Subject to change without prior notice Greensource CDi Series SM Model...
Exploded Views | 67 Greensource CDi Series SM Model HZ Unit Exploded View Fig. 87 HZ Exploded View Greensource CDi Series SM Model Subject to change without prior notice 8733819578 (2019/02)
68 | Exploded Views Greensource CDi Series SM VT Unit Exploded View Fig. 88 VT Exploded View 8733819578 (2019/02) Subject to change without prior notice Greensource CDi Series SM Model...
70 | Spare Parts List Greensource CDi Series SM SPARE PARTS LIST Wiring Harness 8733802671 SP Harness (Ref. #8733819378) 8733933738 SP Harness (Ref. #8733801537) 8733933755 SP Harness (Ref. #8733801971) 8733904563 SP Harness (Ref. #8733802178) 8733933912 SP Harness (Ref. #8733807952) 8733933761 SP Harness (Ref. #8733802133) 8733819578 (2019/02) Subject to change without prior notice Greensource CDi Series SM Model...
Page 71
Spare Parts List | 71 Greensource CDi Series SM Model 8733933897 SP Harness (Ref. #8733807732) 8733933907 SP Harness (Ref. #8733807945) 8733933908 SP Harness (Ref. #8733807946) 8733933910 SP Harness (Ref. #8733807948) 8733933914 SP Harness (Ref. #8733807954) 8733940330 SP Harness (Ref. #8733812173) Greensource CDi Series SM Model Subject to change without prior notice 8733819578 (2019/02)
Page 72
72 | Spare Parts List Greensource CDi Series SM 8733933911 SP Harness (Ref. #8733807950) 8733916835 SP Harness (Ref. #8733810489) 87339802783 SP Harness (Ref. #8733815708) 8733948333 SP Harness (Ref. # 8733811805) 8733942486 SP Harness (Ref. # 8733811804) 8733908133 SP Harness (Ref. # 8733815707) 8733819578 (2019/02) Subject to change without prior notice Greensource CDi Series SM Model...
Page 73
Spare Parts List | 73 Greensource CDi Series SM Model 8733948332 SP Harness (Ref. #8733811469) 733933909 SP Harness (Ref. #8733807947) 8733933904 SP Harness (Ref. #8733807817) 8733802675 SP Harness (Ref. #8733901778) Greensource CDi Series SM Model Subject to change without prior notice 8733819578 (2019/02)
74 | Spare Parts List Greensource CDi Series SM Electrical Box Typical Layout and Spare Parts List Figure # 89 Typical Electrical Box Layout Table 17: Electrical Box Spare Part List Description Part Number Contractor 8733907959—Contactor 40A 2-Pole Control Board 8733807394—Heat Pump Controller Transformers 8733802669—Transformer 75 VA 208/240...
Page 75
Spare Parts List | 75 Greensource CDi Series SM Model Table 17: Electrical Box Spare Part List Description Part Number Ground Lugs 8733908044—Terminal Ground Lug Heater Elements 8733907944—Heater 5KW Insert Heater Elements 8733907946—Heater 10KW Insert Terminal Blocks (High) 8733908032—Terminal Fuse Blocks 8733802802—Fuse Block Dual 60A–30A Fuse Blocks 8733906362—Fuse Block Dual 60A...
76 | Refrigeration Components Greensource CDi Series SM REFRIGERATION COMPONENTS Rev. C HZ Table 18: Rev. C HZ Refrigeration Components Part Group SM024-1HZ*-*A SM036-1HZ*-*A SM048-1HZ*-*A SM060-1HZ*-*A SM070-1HZ*-*A Compressor T111105489 T111105413 T111105414 T111105415 T111105490 Air to Ref HTX 8733929998 8733929642 8733929642 8733929999 8733929999 Water to Ref HTX...
78 | Decommissioning Information Greensource CDi Series SM Components DECOMMISSIONING INFORMATION Only trained and qualified technicians are allowed Many parts in the Heat Pump can be fully to decommission and dispose of equipment recycled at the end of the product life. Contact following the requirements of the Local Authority your city authorities for information about the Having Jurisdiction (AHJ).
Check-Out Sheet | 79 Greensource CDi Series SM Model CHECK-OUT SHEET Customer Data Customer Name Date Address Phone Unit Number Unit Nameplate Data Unit Make Model Number Serial Number Refrigerant Charge (oz) Compressor: RLA Blower Motor: FLA (or NPA) Maximum Fuse Size (Amps) Maximum Circuit Ampacity Operating Conditions Heating Mode...
80 | EasyStart Check-Out Sheet Greensource CDi Series SM EASYSTART CHECK-OUT SHEET EasyStart Configuration Default Value New Value Freeze Protection Strategy 26°F Cooling CFM per TON 400 CFM/Ton Heating CFM per TON 375 CFM/Ton Fan Only CFM reduction Dehumidification CFM reduction Heat Recover Package Disabled Heat Recovery Setpoint...