29
The following forced operating states are changed or added to the
available service test operation for a Humidi-MiZer equipped unit:
Service Test
→
COOL
→
CMP.A
(Cool A Test
)
A value of On will turn on circuit A in Normal Cooling mode.
Service Test
→
COOL
→
CMP.B
(Cool B Test)
A value of On will turn on circuits A and B in Normal Cooling
mode.
Service Test
→
COOL
→
CMP.C (Cool C Test)
A value of On will turn on circuits A and C in Normal Cooling
mode.
Service Test
→
HMZR
→
RH1.A (Reheat1 A Test)
A value of On will turn on circuit A in Reheat1 mode.
Service Test
→
HMZR
→
RH1.B (Reheat1 B Test)
A value of On will turn on circuits A and B in Reheat1 mode.
Service Test
→
HMZR
→
RH1.C (Reheat1 C Test)
A value of On will turn on circuits A and C in Reheat 1 mode.
Service Test
→
HMZR
→
RH2.A (Reheat2 A Test)
A value of On will turn on circuit A in Reheat2 mode.
Service Test
→
HMZR
→
RH2.B (Reheat2 B, C Test)
A value of On will turn on circuits A B and C in Reheat2 mode.
Service Test
→
HMZR
→
CRC (Cool-Reheat1 Valve Test)
For 48/50PG03--16 units, a value of On will turn on the CRC
relay. This will turn on CV.x valves and turn off RH1.x valves.
For 48/50PG20--28 and 48/50PM16--28 units, a value of On will
turn on the CRC relay. This will energize RH.1 and RH.B.
Service Test
→
HMZR
→
RHV.A (Reheat2 Valve A Test)
A value of On will turn on the RH2.A valve.
Service Test
→
HMZR
→
RHV.B (Reheat2 Valve B,C Test)
A value of On will turn on the RH2.B and RH2.C valves.
Service Test
→
Fans
→
OFC.1 (Outdoor Fan 1 Test)
For 48/50PG03--14: not used. For 48/50PG16 only: a value of On
will turn on the OFC relay only which controls status of fans 1 and
3; but fans are not powered unless compressor A contactor is on.
For 48/50PG20--28 and 48/50PM16--28: Turning on OFC1,
provides power to the Motormaster controller. Outdoor fans 1 and
4 will operate under the control of the Motormaster controller.
Service Test
→
Fans
→
OFC.2 (Outdoor Fan 2 Test)
For 48/50PG03--16: Not used. For 48/50PG20--28 and
48/50PM16--28: Turn on OFC2. Outdoor fans 2, 3, 5, and 6 will
operate.
Service Test
→
Fans
→
OFC.3 (Outdoor Fan 1 Test)
Not used.
Service Test
→
INDP
→
CCH (Crankcase Heat Test)
Not used. Compressor crankcase heaters are wired directly to line
power.
RH1A
CVA
RH2A
LEGEND
CV
-- Cooling Valve
RH
-- Reheat Valve
C07007
Fig. 15 -- Humidi--MiZer
t
System Valve Locations
48/50PG03--07
RH1B
CVB
RH2B
RH1A
CVA
RH2A
LEGEND
CV
-- Cooling Valve
RH
-- Reheat Valve
C07006
Fig. 16 -- Humidi--MiZer
t
System Valve Locations
48/50PG08--14
48/
50P
G
and
P
M
Содержание 48/50PG Series
Страница 32: ...32 C07009 Fig 20 Air Baffle Dimensions 48 50PG03 16 48 50PG and PM...
Страница 33: ...33 C08077 Fig 21 Air Baffle Dimensions 48 50PG20 28 and 48 50PM16 28 48 50PG and PM...
Страница 58: ...58 C08549 Fig 28 48PG03 16 Control Wiring Schematic 48 50PG and PM...
Страница 59: ...59 C08550 Fig 29 50PG03 16 Control Wiring Schematic 48 50PG and PM...
Страница 60: ...60 C08551 Fig 30 Typical 48 50PG03 16 Power Wiring Schematic and Legend 48 50PG16 460 3 60 Shown 48 50PG and PM...
Страница 64: ...64 C08471 Fig 34 Typical 48PG and PM16 28 Control Schematic 48PM16 28 Shown 48 50PG and PM...
Страница 66: ...66 C08557 Fig 36 Typical 50PG and PM16 28 Control Schematic 50PG20 28 Shown 48 50PG and PM...
Страница 67: ...67 C08064 Fig 37 Typical 50PG and PM16 28 with Humidi MiZert Control Schematic 50PM16 28 Shown 48 50PG and PM...
Страница 68: ...68 C08558 Fig 38 Typical 48 50PG and PM16 28 Power Schematic 48 50PM16 28 Shown 48 50PG and PM...
Страница 72: ...72 C08565 Fig 42 Typical 48 50PG20 28 Component Arrangement 48 50PG20 24 Shown 48 50PG and PM...
Страница 73: ...73 C08067 Fig 43 48 50PM16 28 Component Arrangement 48 50PG and PM...
Страница 74: ...74 C08562 Fig 44 48 50PM16 28 with Humidi MiZert Component Arrangement 48 50PG and PM...
Страница 208: ...208 48 50PG and PM...
