TECHNICAL BULLETIN APPLICABLE MODEL

M(5)WM-J TECHNICAL BULLETIN NO. TB008M13

DATE 17.04.2013

SUPERCEDED BULLETIN NO. -

EFFECTIVE DATE -

© McQuay International 1

[SUBJECT] WALL MOUNTED: MAIN CONTROL MODULE (PRINTED CIRCUIT BOARD, PCB) - NEW

[DETAILS OF CHANGE]

Introducing new wall mounted unit main control module design (printed circuit board, PCB), Switch Mode Power Supply (SMPS) type (J II) to replace existing Transformer type (J I). With J II PCB, it is now able to connect wired handset (such as SLM3, SLM 8 & Netware 3) on the indoor unit. The differences between J I and J II PCB are as follow:

J I PCB (EXISTING) J II PCB (NEW)

Ou

tloo

k

Type

Transformer SMPS

Oth

ers

1. Not compatible with wired handset 2. Not compatible with networking solution

(NIM)

1. Compatible with wired handset 2. Compatible with networking solution

(NIM03 only) 3. Lighter in weight 4. Lower power consumption during standby

mode

TECHNICAL BULLETIN APPLICABLE MODEL

M(5)WM-J TECHNICAL BULLETIN NO. TB008M13

DATE 17.04.2013

SUPERCEDED BULLETIN NO. -

EFFECTIVE DATE -

© McQuay International 2

With the introduction of new J II PCB, the Harness Wire Assembly has been changed as well. Please find the part number as below:

New wiring diagram will be released together with implementation of J II PCB. (Refer to ATTACHMENT).

TECHNICAL BULLETIN APPLICABLE MODEL

M(5)WM-J TECHNICAL BULLETIN NO. TB008M13

DATE 17.04.2013

SUPERCEDED BULLETIN NO. -

EFFECTIVE DATE -

© McQuay International 3

[IMPLEMENTATION]

No MODEL STARTING BATCH

1 MWM09J-ACLAB

205615XX

2 MWM15J-ACLAB

3 MWM20J-ACLAB

4 MWM25J-ACLAB

5 M5WM10J-ACLAB-R

6 M5WM15J-ACLAB-R

7 M5WM20J-ACLAB-R

8 M5WM25J-ACLAB-R

9 M5WM20J-AULAA-R

10 M5WM25J-AULAA-R

11 M5WM10J-AFLAA-R

12 M5WM15J-AFLAA-R

13 M5WM20J-AFLAA-R

14 M5WM25J-AFLAA-R

15 MWM15J-APLAB

16 MWM20J-APLAB

17 MWM25J-APLAB

18 MWM10J-AILAB

19 MWM15J-AILAB 20 MWM20J-AILAB 21 MWM25J-AILAB

TECHNICAL BULLETIN APPLICABLE MODEL

M(5)WM-J TECHNICAL BULLETIN NO. TB008M13

DATE 17.04.2013

SUPERCEDED BULLETIN NO. -

EFFECTIVE DATE -

© McQuay International 4

[REMARK] The new J II PCB cannot be used to directly replace existing J I PCB. When J I PCB is to be replaced by J II PCB, the Assembly Harness Wire needs to be changed as well. Working instruction of replacing J I PCB with J II PCB are as follow:

Procedure:

1. Dismantle the indoor wires. 2. Unfasten the terminal block screw. 3. Change to new Assy. Harness Wire and fasten the terminal block screw. 4. Change to J II PCB and plug in the wires to J II PCB.

 

  

TECHNICAL BULLETIN APPLICABLE MODEL

M(5)WM-J TECHNICAL BULLETIN NO. TB008M13

DATE 17.04.2013

SUPERCEDED BULLETIN NO. -

EFFECTIVE DATE -

© McQuay International 5

[ATTACHMENT] Wiring diagram M(5)WM09/10/15J

TECHNICAL BULLETIN APPLICABLE MODEL

M(5)WM-J TECHNICAL BULLETIN NO. TB008M13

DATE 17.04.2013

SUPERCEDED BULLETIN NO. -

EFFECTIVE DATE -

© McQuay International 6

Wiring diagram M(5)WM20/25J

TECHNICAL BULLETIN APPLICABLE MODEL

M(5)WM-J TECHNICAL BULLETIN NO. TB008M13

DATE 17.04.2013

SUPERCEDED BULLETIN NO. -

EFFECTIVE DATE -

© McQuay International 7

Wiring diagram M(5)WM20/25J-AULAA