Table of Contents
Advertisement
MODEL SCM
INSTALLATION,
OPERATION
& MAINTENANCE
MANUAL
Air-To-Water
Reverse Cycle Heat Pumps
3 and 5 Ton
Model SCM overview ..................................................................
Prepare the unit .......................................................................... 11
Location ...................................................................................... 11
Handling ...................................................................................... 11
Mounting pad .............................................................................. 11
Glycol/water system installation .................................................. 14
BEFORE starting the unit ............................................................ 15
Start the SpacePak heat pump .................................................... 15
Anti-freeze cycle ......................................................................... 16
24-Hour follow-up ........................................................................ 16
Electric heat ................................................................................. 16
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
................................................. 13
2
Overcurrent protection & wire sizing ........................................... 17
Multiple air handler applications .......................................... ........ 18
Glycol/water mixture ................................................................... 23
Perform annual inspection .......................................................... 23
Preparing the SCM for shut down ............................................... 23
To restart after shutdown ............................................................ 23
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.
SCM2-0118
W30-WG0593
............................................. 17
Copyright 2016 Mestek, Inc.
Advertisement
Table of Contents
Related Manuals for Space Pak SCM-036
Summary of Contents for Space Pak SCM-036
-
Page 1: Table Of Contents
SCM2-0118 W30-WG0593 MODEL SCM INSTALLATION, OPERATION & MAINTENANCE MANUAL Air-To-Water Reverse Cycle Heat Pumps 3 and 5 Ton SECTION 1: READ BEFORE PROCEEDING SECTION 9: ELECTRICAL CONNECTIONS Model SCM overview ..............Overcurrent protection & wire sizing ........... 17 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) SCM LOW AMBIENT COOLING 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
= SpacePak Heat Pump Module = Series “A” = R410A = 5 ton nominal SCM-036-A-4 = 3 ton nominal, series A, using R410A referigerant, SpacePak Heat Pump Module Examples SCM-060-A-4 = 5 ton nominal, series A, using R410A referigerant, SpacePak Heat Pump Module... - Page 8 Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 3: Specifications and Ratings (continued) Heat Pump SCM036 Series PERFORMANCE SCM-036 Heating Operation SCM-036 Cooling Operation Supply Supply Ambient Capacity Water DP Ambient Capacity Water DP...
- Page 9 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 10: Section 4: Dimensions
Front to Cabinet Overall Overall bottom edge connec- connec- center height return depth Height width depth centers return supply of lower fan tion tion centers to edge SCM-036 1" NPT 1" NPT SCM-060 1" NPT 1" NPT – 10 –... -
Page 11: Section 5: Location & 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 12: 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) SUPPLY TO TERMINAL UNIT(S) CIRCULATOR DRAIN VALVE AUTOFILL LOCATION IS SUGGESTED,... -
Page 13: Section 7: Glycol/Water System
Each SCM Heat Pump has a recommended flow that should be piping to remove any air from the system. maintained during all times of operation. For the SCM-036, the recommended flow is 10 GPM, at which the head loss through the heat exchanger is 15.8 ft. -
Page 14: 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 15: 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 16: Anti-Freeze Cycle
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 8: Start-up and Test (continued) Anti-freeze cycle B. Heat boost: When the heat pump is operating in heating mode, the Carel controller will call for the heater to be 1. -
Page 17: 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 Figure 16 SpacePak Heat Pump field wiring — SINGLE air handler the latest edition of: in the U.S. — National (See Figure 19 for ladder wiring diagram) Electrical Code ANSI/NFPA No. -
Page 18: Multiple Air Handler Applications
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 9: Electrical Connections (continued) Multiple air handler applications Figure 17 SpacePak Heat Pump field wiring — Multiple air handlers (see Figure 19 for ladder wiring diagram) •... - Page 19 Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 9: Electrical Connections (continued) Figure 18 SpacePak Heat Pump — Pictoral wiring diagram – 19 –...
- Page 20 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 –...
-
Page 21: Section 10: Troubleshooting
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 10: Troubleshooting Figure 20 Troubleshooting suggestions Condition Possible Causes Verification 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 22 Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 10: Troubleshooting (continued) Figure 21 Troubleshooting suggestions (continued) Condition Possible Causes Verification 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 23: 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 24: Section 12: Replacement Parts
Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Section 12: Replacement Parts Figure 23 Replacement parts PART NUMBER DESCRIPTION VENDOR PART NUMBER SCM036 SCM060 45R20000-320009 Carel Temperature Sensor, 10K NTC015WP00 (IP68,-55F to 212F, 5 Ft., 10K Ohm) 45R20000-360006 Compressor Contactor HCC-1NU04AA... - Page 25 Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual Heat Pump Start Up Instructions SCM036/060 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 26 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. ____ Pump symbol will being to flash as a call for heat is made ____ After 1-2 minutes pump symbol will remain constant ____ Once water is outside the cooling temperature range (below 120°F) the refrigeration...
-
Page 27: 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-036 and is the answer not in the manual?
Questions and answers