McQuay 5MDS, Руководство по обслуживанию

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MCQUAY Service Guide Book Controller Configuration
37
6.3 U1.5
Æ
L208A Conversion
All single split indoor units with U1.5 PCB cannot
be directly replaced by the new L208A PCB
because of the following:-
MCK/M5CK-A/AR & MCK/M5CK-C/CR
U1.5 - The connector on the PCB (CN6) for the
inter-connector cable has 16 pins.
L208A - The connector on the PCB (CN5 & CN6)
for the inter-connector cable have 12 & 2
pins.
MCM/A5CM-D/DR & MCM/A5CM 062C/CR
U1.5 - The connector on the PCB (CN6) for the
assy. LED cable has 16 pins
L208A - The connector on the PCB (CN5) for the
assy. LED cable has 12 pins.
L2 Spare Parts can be ordered via e-Distributors
website under Spare PARTs Ordering. The Part
number is PI-C-R0094.
The L2 Spare PARTs Package contains the
following items:-
1. L2 08A Heat Pump PCB.
2. Room sensor, indoor coil sensor inter-
connector wire, outdoor coil sensor inter-
connector wire.
3. Inter-connector cable from main board to MCK-
A/AR panel.
4. Inter-connector cable from main board to MCK-
C/CR panel.
5. Intermediate board with 2 sets of cables, which
is stick on the main board.
6. Inter-connector cable from main board to MCM-
D/DR assy. LED board.
7. Inter-connector cable from main board to MCM
062C/CR assy. LED board.
Remarks
The intermediate board with 2 sets of cables,
which is stick on the L208A PCB (Item 1 & 5) is
ONLY applicable for MCM/M5CM-D/DR and
MCM 062C/CR models with originally using U1.5
PCB.
PART Number: PI-C-R0094
Item 1 & 5
Item 6
Item 3
Item 4
Item 7