Friedrich VRP12K, Service And Parts Manual

Page: 2 / 221

2 PB
TABLE OF CONTENTS
Table of Contents
INTRODUCTION‑ 6
VRP® Variable Speed System vs. Fixed‑speed System‑ 7
FreshAire™ Conditioned Fresh Air‑ 8
Reheat Coil ‑ Augments VRP’s Dehumidification Capability‑ 9
Important Safety Information‑ 10
Personal Injury Or Death Hazards‑ 12
Model and Serial Number Identification Guides‑ 13
SPECIFICATIONS‑ 14
Cooling Performance‑ 14
12k Extended Cooling Performance Data‑ 15
24k Extended Cooling Performance Data‑ 16
12 and 24k Extended Heating Performance Data‑ 17
Air Flow Data ‑12k and 24k‑ 18
Air Flow Data ‑36k‑ 19
Electrical Data‑ 20
12k and 24k Unit Dimensional Data‑ 21
36k Unit Dimensional Data‑ 22
12k and 24k Unit Installation Dimensional Data‑ 23
12k and 24k Accessories Dimensional Data‑Louvers & Return Access Door ‑ 24
12k and 24k Accessories Dimensional Data ‑ Wall Plenums ‑ 25
36k Accessories Dimensional Data‑Louvers‑ 26
OPERATION‑ 27
Sequence Of Operations‑ 27
Wall Controller Operation‑ 28
FreshAire Control‑ 30
Startup‑Process‑ 31
Firmware Overview‑ 31
Firmware Overview‑ 32
VPXWC Overview‑ 33
Wall Controller Firmware‑ 34
FMC Firmware via Wall Controller (WC)‑ 35
MCS Firmware via Wall Controller (WC)‑ 36
VRPXWC Operating Modes‑ 37
Fan Operating Modes‑ 38
Cooling Operating Mode‑ 40
Heating Operating Mode‑ 41
Button Light Functions‑ 42
VRPXWC Button Sequences‑ 43
Component Identification‑ 44
Indoor Coil 12 & 24k‑ 45
Indoor Coil 36k‑ 46
Indoor Blower‑ 47
Outdoor Coil‑ 48
Outdoor Fan‑ 49
Compressor‑ 50
Electric Heater‑ 51
Electronic Expansion Valve‑ 52
4‑Way Reversing Valve‑ 53
Remaining Components (Side View)‑ 54