Mitsumi electronic PUHY-P-TGMU-A Wiring of main power supply and equipment capacity

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2Wiring examples

Controller name, symbol and allowable number of controllers.

 

Name

Code

Possible unit connections

Outdoor unit

Variable capacity unit controller

OC

Indoor unit

Indoor unit controller

IC

1 to 32 units per 1 OC (*1)

Remote controller

Remote controller (*1)

RC

2 units maximum per group

Other

Transmission booster unit

RP

0 to 1 unit per 1 OC (*1)

*1 A transmission booster (RP) may be required depending on the number of connected indoor unit controllers.

Example of a group operation system with multiple outdoor units (Shielding wires and address setting are necessary.)

<Examples of transmission cable wiring>

[Fig. 10.3.1] M-NET Remote Controller (P.5) [Fig. 10.3.2] MA Remote Controller (P.5) [Fig. 10.3.3] Transmission booster unit (P.5)

<A>

Change the jumper connector from CN41 to CN40

 

 

 

<B> SW2-1:ON

 

 

 

 

<C>

Keep the jumper connector on CN41

 

 

 

A Group 1

B Group 3

C Group 5

D Shielded wire

E Sub remote controller

( )

Address

 

 

 

 

<Wiring Method and Address Settings>

a.Always use shielded wire when making connections between the outdoor unit (OC) and the indoor unit (IC), as well for all OC-OC, and IC-IC wiring intervals.

b.Use feed wiring to connect terminals M1 and M2 and the earth terminal on the transmission cable terminal block (TB3) of each outdoor unit (OC) to terminals M1, M2 and terminal S on the transmission cable block of the indoor unit (IC).

c.Connect terminals 1 (M1) and 2 (M2) on the transmission cable terminal block of the indoor unit (IC) that has the most recent address within the same group to the terminal block on the remote controller (RC).

d.Connect together terminals M1, M2 and terminal S on the terminal block for central control (TB7) for the outdoor unit (OC).

e.On one outdoor unit only, change the jumper connector on the control panel from CN41 to CN40.

f.Connect the terminal S on the terminal block for central control (TB7) for the outdoor unit (OC) for the unit into which the jumper connector was inserted into CN40 in Step above to the ground terminal in the electrical component box.

g.Set the address setting switch as follows.

*To set the outdoor unit address to 100, the outdoor address setting switch must be set to 50.

Unit

Range

Setting Method

IC (Main)

01 to 50

Use the most recent address within the same group of indoor units

IC (Sub)

01 to 50

Use an address, other than that of the IC (Main) from among the units within the same group of indoor units. This must be

in sequence with the IC (Main)

 

 

Outdoor Unit

51 to 100

Use the most recent address of all the indoor units plus 50

M-NET R/C (Main)

101 to 150

Set at an IC (Main) address within the same group plus 100

M-NET R/C (Sub)

151 to 200

Set at an IC (Main) address within the same group plus 150

MA R/C

Unnecessary address setting (Necessary main/sub setting)

h. The group setting operations among the multiple indoor units is done by the remote controller (RC) after the electrical power has been turned on.

<Permissible Lengths>

1M-NET Remote controller

Max length via outdoor units: L1+L2+L3+L4 and L1+L2+L3+L5 and L1+L2+L6 = 500 m [1640ft] (1.25 mm2 [AWG16] or more)

Max transmission cable length: L1 and L3+L4 and L3+L5 and L6 and L2+L6 = 200 m [656ft] (1.25 mm2 [AWG16] or more)

Remote controller cable length: r1, r2, r3, r4 = 10 m [32ft] (0.3 to 1.25 mm2 [AWG22 to 16])

If the length exceeds 10 m [32ft], use a 1.25 mm2 [AWG16] shielded wire. The length of this section (L8) should be included in the calculation of the maximum length and overall length.

2MA Remote controller

Max length via outdoor unit (M-NET cable): L1+L2+L3+L4 and L1+L2+L6 = 500 m [1640ft] (1.25 mm2 [AWG16] or more)

• Max transmission cable length (M-NET cable): L1 and L3+L4 and L6 and L2+L6 = 200 m [656ft] (1.25 mm2 [AWG16] or more)

Remote controller cable length: c1+c2 and c1+c2+c3+c4 = 200 m [656ft] (0.3 to 1.25 mm2 [AWG22 to 16])

3Transmission booster

Max transmission cable length (M-NET cable): 1 L1+L2+L3+L5+L6 = 200 m [656ft] (1.25 mm2 [AWG16])

2 L1+L2+L3+L5+L7 = 200 m [656ft] (1.25 mm2 [AWG16])

3 L1+L2+L4 = 200 m [656ft] (1.25 mm2 [AWG16])

4 L6+L5+L3+L4, L4+L3+L5+L7 = 200 m [656ft] (1.25 mm2 [AWG16])

Remote controller cable length: r1, r2 = 10 m [32ft] (0.3 to 1.25 mm2 [AWG22 to 16])

If the length exceeds 10 m [32ft], use 1.25 mm2 [AWG16] shielded cable and calculate the length of that portion (L4 and L7) as within the total extended length and the longest remote length.

10.4. Wiring of main power supply and equipment capacity

Schematic Drawing of Wiring (Example)

[Fig. 10.4.1] (P.5)

A

Switch (Breakers for wiring and current leakage)

B

Breakers for current leakage

C Outdoor unit

D

Pull box

E

Indoor unit

 

GB

13

Image 13
Contents PUHY-P-TGMU-A Unit mm No.1 No.2 B c No.1 No.2 No.3 No.4 No.5P96 Ø22.2 7/8SO S 10.3 10.210.4 ~208-230VSafety precautions ContentsBefore installation electrical work Before installationAbout the product Before starting the test runCollective installation and continuous installation SpecificationsConfirmation of parts attached Space required around unitRefrigerant piping installation Installation of unitInstallation Refrigerant piping systemCalculation of additional refrigerant charge Additional refrigerant chargeExampleFig .2.1 P.3 Thermal insulation of refrigerant piping Airtight test, evacuation, and refrigerant chargingAirtight test Only use refrigerant R410AControl box and connecting position of wiring WiringWiring transmission cables Wiring examples Wiring of main power supply and equipment capacitySchematic Drawing of Wiring Example Transmission boosterFollowing phenomena do not represent trouble emergency Test run222 237 279 463 Information on rating plateWT04551X01

PUHY-P-TGMU-A specifications

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