Table of Contents
Advertisement
Quick Links
MODEL SCM
INSTALLATION,
OPERATION
& MAINTENANCE
MANUAL
Air-To-Water
Reverse Cycle Heat Pumps
5 Ton
Model SCM overview ..................................................................
Prepare the unit .......................................................................... 10
Location ...................................................................................... 10
Handling ...................................................................................... 10
Mounting pad .............................................................................. 10
Glycol/water system installation .................................................. 13
BEFORE starting the unit ............................................................ 14
Start the SpacePak heat pump .................................................... 14
Anti-freeze cycle ......................................................................... 15
24-Hour follow-up ........................................................................ 15
Electric heat ................................................................................. 15
Qualified installer only -
This product must be installed
only by a qualified service techni-
cian. The installation must be
done using recognized industry
practices, and in compliance with
this manual and all applicable
codes. Failure to comply could
result in death, serious injury or
substantial property damage.
IN UNITED STATES: 260 NORTH ELM ST. WESTFIELD, MA 01085 800-465-8558 / FAX (413) 564-5815
IN CANADA: 7555 TRANMERE DRIVE, MISSISSAUGA, ONTARIO, L5S 1L4 (905) 670-5888 / FAX (905) 670-5782
................................................. 12
2
Overcurrent protection & wire sizing ........................................... 16
Multiple air handler applications .......................................... ........ 17
Glycol/water mixture ................................................................... 22
Perform annual inspection .......................................................... 22
Preparing the SCM for shut down ............................................... 22
To restart after shutdown ............................................................ 22
For information not included in this
manual, see the following: This manual
includes only basic information for instal-
lation, operation and maintenance of
SpacePak air to water heat pumps. For
more advanced applications and informa-
tion not shown in this manual, contact
SpacePak Technical Support for assis-
tance and supplemental instructions. Call
413-564-5530 in Westfield, MA or visit our
website at www.spacepak.com to send an
e-mail or review technical literature.
SCM2-1119
W30-WG0593
............................................. 16
Copyright 2016 Mestek, Inc.
Advertisement
Table of Contents
Related Manuals for Space Pak SCM Series
Summary of Contents for Space Pak SCM Series
-
Page 1: Table Of Contents
SCM2-1119 W30-WG0593 MODEL SCM INSTALLATION, OPERATION & MAINTENANCE MANUAL Air-To-Water Reverse Cycle Heat Pumps 5 Ton SECTION 1: READ BEFORE PROCEEDING SECTION 9: ELECTRICAL CONNECTIONS Model SCM overview ..............Overcurrent protection & wire sizing ........... 16 SpacePak heat pump wiring .......... -
Page 2: Section 1: Read Before Proceeding
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 1: READ BEFORE PROCEEDING Hazard definitions Failure to comply with all of the guidelines BELOW could result in death, serious injury or The following terms are used throughout this manual to bring substantial property damage. -
Page 3: Section 2: Scm Field Adjustable Parameters
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 2: SCM Field Adjustable Parameters Figure 1 Keypad The keypad is used to set the unit operating values (see Parameters/alarms – Keypad combinations). – 3 –... - Page 4 Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 2: SCM Field Adjustable Parameters (continued) Figure 2 Menu Structure For 5” main menù Save in the EEPROM For 5” setting password parameter level parameter values parameters /* parameters F-r* parameters A*...
- Page 5 Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 2: SCM Field Adjustable Parameters (continued) SCM Controller The SCM controller allows the adjustment of heating & cooling setpoints, differentials, and defrosting parameters. The following chart depicts the factory default values for the most commonly adjusted parameters. Certain read only parameters are available to evaluate performance or troubleshoot faults.
- Page 6 Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 2: SCM Field Adjustable Parameters (continued) Figure 3 SCM Fan Speed Control, Cooling If the fan control logic, parameter F02, is set to 02, the fans will shut off if the outside coil surface temperature (as read by sensors b03 &...
-
Page 7: Section 3: Specifications And Ratings
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 3: Specifications and Ratings Figure 6 Model SCM rating data Model SCM - 060 Heating Capacity 52,200 BTUh (15.3 kW) Heating COP 2.65 Cooling Capacity 48,000 BTUh (14.1 kW) Voltage 230v/1ph/60Hz Min Supply Temp... - Page 8 Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 3: Specifications and Ratings (continued) Heat Pump SCM060 Series PERFORMANCE SCM-060 Heating Operation SCM-060 Cooling Operation Supply Supply Ambient Capacity Water DP Ambient Capacity Water DP Water Watts Water...
-
Page 9: Section 4: Dimensions
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 4: Dimensions Figure 8 Model SCM dimensions (ALL DIMENSIONS IN INCHES) Model Mounting Mounting Bottom Bottom Base to Supply Return Mounting Front to Cabinet Overall Overall bottom edge connec- connec-... -
Page 10: Location And Mounting
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 5: Location & Mounting Figure 9 Handling with cables Failure to comply with all of the guidelines IN THE FOLLOWING could result in death, serious injury or substantial property damage. The installation must comply with all applicable local codes. -
Page 11: Section 6: Recommended Piping Diagram
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 6: Recommended Piping Diagram Figure 11 SpacePak heat pump with single air handler (See Section 7 for instructions) RETURN FROM TERMINAL UNIT(S) CIRCULATOR SUPPLY TO TERMINAL UNIT(S) DRAIN VALVE AUTOFILL LOCATION IS SUGGESTED, BALL VALVE... -
Page 12: Section 7: Glycol/Water System
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 7: Glycol/Water System Figure 12 SCM Glycol Concentrations (10% Minimum, 50% Maximum) Ethylene Glycol % Min. Ambient Temp for Operation 23°F/-5°C 14°F/-10°C 2°F/-17°C -13°F/-25°C -36°F/-38°C SpacePak Capacity Multiplier 0.98 0.96 0.93... -
Page 13: Glycol/Water System Installation
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 7: Glycol/Water System (continued) Glycol/Water System Installation Insulate The Piping 1. After testing and draining the system, apply pipe insulation. Fill Obtain all components specified in Figure 11. Make sure all system with glycol/water mixture. -
Page 14: Section 8: Start-Up And Test
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 8: Start-up and Test 3. Inspect the water piping for any signs of leakage. Figure 14 Repair all system leaks. Leakage will cause pressure to drop, preventing the heat pump from operating. Leaks also allow introduction of excess make-up water, whether filled automatically or manually. -
Page 15: Anti-Freeze Cycle
Electric Heat Figure 15 The SCM series heat pumps are equipped with integral 3 kW electric heater elements contained within the water circuit. These are powered by a 230VAC input (separate from the heat pump power) and must have individual protection, (minimum 15A) The heater function is managed by the Carel μC2 controller, and... -
Page 16: Section 9: Electrical Connections
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 9: Electrical Connections The electrical installation must comply with SpacePak Heat Pump field wiring — SINGLE air handler Figure 16 the latest edition of: in the U.S. — National (See Figure 19 for ladder wiring diagram) Electrical Code ANSI/NFPA No. -
Page 17: Multiple Air Handler Applications
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 9: Electrical Connections (continued) Multiple air handler applications SpacePak Heat Pump field wiring — Multiple air Figure 17 handlers (see Figure 19 for ladder wiring diagram) •... - Page 18 Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 9: Electrical Connections (continued) Figure 18 SpacePak Heat Pump — Pictoral wiring diagram ° – 18 –...
- Page 19 Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 6: Electrical Connections (continued) Figure 19 SpacePak Heat Pump electrical ladder diagram 20 21 24 25 28 29 32 33 36 37 40 41 43 44 45 46 –...
-
Page 20: Section 10: Troubleshooting
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 10: Troubleshooting Figure 20 Troubleshooting suggestions Verification Condition Possible Causes Solution Incorrect power supply Check power supply Supply correct power Unit will not start Loose or broken wires Check wiring Repair or replace wiring Circuit breaker interrupted... - Page 21 Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 10: Troubleshooting (continued) Figure 21 Troubleshooting suggestions (continued) Verification Condition Possible Causes Solution Dirty coil, damaged or improperly Visually inspect coil condition and fan Clean coil, repair fan blade or motor as operating fans operation necessary.
-
Page 22: Section 11: Annual Maintenance
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 11: Annual Maintenance Perform Annual Inspection 4. Close the isolation valves on either side of the y-strainer at the SpacePak heat pump return connection. Remove the Glycol/water mixture screen and inspect for sediment. -
Page 23: Section 12: Replacement Parts
Finned Tube Heat Exchanger SCM036, Left 45R40000-120007 Finned Tube Heat Exchanger SCM036, Right 45460-WG1061-02 Replacement Heater Kit 45R2000-3242 Temperature Sensor, 5K NTC 45R2001-2255 Clear Plastic Access Window 45W55-WG0609-01 Temperature Sensor, 10K NTC 45R3536-2115 Fan Guard - SCM Series – 23 –... - Page 24 Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Heat Pump Start Up Instructions Job Name:_________________________________________________ Job Address:_______________________________________________ Contact Phone:_____________________________________________ Model #:_____________________ Serial #:_______________________ Start Up Performed By:_____________________Date:_____________ After powering up the unit, the following steps must be followed: START UP IN COOLING MODE ____ Display start sequence will read uC2, then 2.0, then the current water temperature ...
- Page 25 Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual START UP IN HEATING MODE ____ Once pump has stopped, change the thermostat to Heating (if applicable) and raise the set point above the current room temperature. The HEATING OPERATION symbol* will appear and the p ____ ump symbol will being to flash as a call...
-
Page 26: Section 13: Limited Warranty
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 13: LIMITED WARRANTY Air to Water Reverse Cycle Heat Pump The “Manufacturer” warrants to the original owner at the original installation site that the Air to Water Reverse Cycle Heat Pump (the “Product”) will be free from defects in material or workmanship for a period not to exceed one (1) year (parts) or two (2) years (compressor) from the startup. - Page 28 IN UNITED STATES: 260 NORTH ELM ST. WESTFIELD, MA 01085 800-465-8558 / FAX (413) 564-5815 IN CANADA: 7555 TRANMERE DRIVE, MISSISSAUGA, ONTARIO, L5S 1L4 (905) 670-5888 / FAX (905) 670-5782...
Need help?
Do you have a question about the SCM Series and is the answer not in the manual?
Questions and answers