Heat Controller Water Source Heat Pump 13, MiniLink Addressing, Section, WattMaster WHP, 2-18

Section 2 WattMaster WHP

MiniLink Addressing

Connect To Next

MiniLink And/Or

CommLink On

Network Loop

Network Loop

RS-485

19200 Baud

All Communication Loop Wiring Is Straight Through

MiniLink Communications Interface

ADD

1

T NETWORK 42

SH	8
	16
R	32

OFF >

24VACLine Voltage

T	T	T	T
SH	SH	SH	SH	24VAC
R	R	R	R	GND
			T
Local Loop			SH
			R
RS-485
9600 Baud
	Connect To Next
	Controller or
	System Manager
				ADD
	Caution!			1
				2
	The MiniLinks Must Have Address Switches Set Between 1
				4
	And 30 (Up To 30 MiniLinks Are Allowed Per WHP System
				8
	System). The MiniLinks Should Be Addressed In
	Consecutive Order Starting With Address #1. AddressLOOP#1			16
	Must Be Present On The Loop For The System To Function.			32

Note:

The Power To The MiniLink Must Be Removed And

Reconnected After Changing The Address Switch

Settings In Order For Any Changes To Take Effect.

Required VA For Transformer

MiniLink = 6VA Min.

See Note 1.

These Switches Must Be

In The OFF Position

As Shown

Caution:

Disconnect All Communication Loop Wiring From The MiniLink Before Removing Power From The MiniLink. Reconnect Power And Then Reconnect Communication Loop Wiring.

Notes:	1.)24 VAC Must Be Connected So
	That All Ground Wires Remain
	Common.
	2.)All Wiring To Be In Accordance
	With Local And National Electrical
	Codes And Specifications.
	3.) All Communication Wiring To Be
	2 Conductor Twisted Pair With
	Shield. Use Belden #82760 Or
	Equivalent.

	MiniLink
	Address Switch
Address Switch Shown Is	Address Switch Shown Is
Set For Address 1	Set For Address 4

The Address For Each MiniLink

Must Be Unique To The Other MiniLinks

On The Network Loop. Loop #1 MiniLink

Should Be Addressed As #1

Loop #2 MiniLink Should Be Addressed

As #2 Etc..

MiniLink Address Switch Setting

Figure2-13:

2-18 Installation and Wiring