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3
The cover photograph is for illustrative purposes only and is not legally binding. The manufacturer reserves the right to update
information at any time, without prior warning.
This manual applies to the following units:
-
30RQM: Standard reversible heat pump.
-
30RQP: Reversible heat pump with variable speed fan.
For controls operation, please refer to the 30RQM/30RQP control manual.
8 - RATED INSTALLATION WATER FLOW CONTROL .................................................................................................. 32
8.1 - Units without hydraulic module
..........................................................................................................................................
32
8.2 - Units with hydraulic module and fixed speed pump
..........................................................................................................
33
8.4 - Units with hydraulic module and variable speed pump – Temperature differential control
........................................
34
8.5 - Units with hydraulic module and variable speed pump – Setting a fixed flow for the system
......................................
34
8.6 - Pump pressure/flow rate curves
............................................................................................................................................
35
8.7 - Available static system pressure
...........................................................................................................................................
37
9 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS................................................ 39
9.1 - Compressors
............................................................................................................................................................................
39
9.2 - Lubricant
.................................................................................................................................................................................
39
9.3 - Air coils
....................................................................................................................................................................................
39
9.4 - Fans
..........................................................................................................................................................................................
39
9.5 - Electronic expansion valve (EXV)
......................................................................................................................................
40
9.6 - Moisture indicator
..................................................................................................................................................................
40
9.7 - Refrigerant accumulator with built-in filter drier
...............................................................................................................
40
9.8 - Water heat exchanger
............................................................................................................................................................
40
9.9 - Refrigerant
..............................................................................................................................................................................
40
9.10 - High-pressure safety switch
................................................................................................................................................
40
9.11 - Variable frequency drive (VFD)
.........................................................................................................................................
40
9.12 - Power factor correction capacitors (option 231)
..............................................................................................................
40
9.13 - Medium and low temperature brine solution option (Option 6B)
................................................................................ 41
9.14 - Fan arrangement
................................................................................................................................................................... 42
9.15 - Fan stages (30RQM units only)
.......................................................................................................................................... 42
9.16 - Variable speed ventilation (30RQP units only)
................................................................................................................ 42
9.17 - Touch Pilot control
............................................................................................................................................................... 42
10 - OPTIONS ............................................................................................................................................................................... 43
10.1 - Hydraulic module without variable speed (options 116R, 116S, 116T, 116U)
..............................................................
43
10.2 - Hydraulic module with variable speed (options 116V, 116W)
........................................................................................
43
10.3 - Units with fans with operating pressure for indoor installation
(Option 12 - Fan with high static pressure)
.......................................................................................................................
43
10.4 - Installation
............................................................................................................................................................................ 44
10.5 - Nominal and maximum air flows per circuit (A and B) for 30RQP sizes
..................................................................... 44
10.6 - Factory-installed duct connection interface on each fan
................................................................................................. 44
10.7 - Partial heat reclaim using desuperheaters (option 49)
.................................................................................................... 46
10.8 - Other options
........................................................................................................................................................................ 52
11 - STANDARD MAINTENANCE .......................................................................................................................................... 53
11.1 - Level 1 maintenance
...........................................................................................................................................................
53
11.2 - Level 2 maintenance
...........................................................................................................................................................
53
11.3 - Level 3 (or higher) maintenance
........................................................................................................................................ 54
11.4 - Tightening torques for the main electrical connections
................................................................................................... 54
11.5 - Tightening torques for the main bolts and screws
............................................................................................................ 54
11.6 - Air coil
................................................................................................................................................................................... 54
11.7 - Water heat exchanger maintenance
................................................................................................................................... 55
11.8 - Variable frequency drive maintenance
.............................................................................................................................. 55
11.9 - Characteristics of R-410A
................................................................................................................................................... 55
11.10 - Check of power factor correction capacitors
.................................................................................................................. 55
12 - UNIT START-UP CHECKLIST FOR INSTALLERS PRIOR TO CONTACTING CARRIER SERVICE .......... 56