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PORT
FUNCTION
1
A
Electrical, Power
1,2
B
Electrical, Control
1
AH/CC Liquid
2
HWM Vapor
3
EL Liquid*
4
Anode Socket
5
EL Vapor*
6
AH/CC Vapor
7
Plugged
8
HWM Liquid
9
DWT Supply
10
DWT Return
N = Nameplate and other information
1: Nominal electrical connector sizes
2: Two additional electrical control ports on opposite side. Same size
*Line set sizes with provided compressor unit adapters
LEGEND
AH – Air Handler
CC – Cased Coil
EL – Earth Loop
HWM – Hydronic Water Module
DWM – Domestic Water Module
HWT – Hydronic Water Tank
DWT – Domestic Water Tank
DSH - Desuperheater
SD-410-QS (H) (06/15)
TYPE OF
CONNECTION
-024
1-1/4" Hole
1
7/8" Hole
3/4
Braze
1/2
Braze
3/4
Braze
3/8
--
---
Braze
5/8
Braze
3/4
Braze
----
Braze
1/2
Solder
1/2
Solder
1/2
Figure 5. SD(H) Connections
COMPRESSOR UNIT MODEL
CONNECTION SIZE, INCHES
-030
-036
-042
1
1
1
3/4
3/4
3/4
1/2
1/2
1/2
3/4
3/4
7/8
3/8
1/2
1/2
---
---
---
3/4
3/4
3/4
3/4
3/4
7/8
----
----
----
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
-048
-054
-060
1
1
1
3/4
3/4
3/4
1/2
1/2
1/2
7/8
7/8
7/8
1/2
1/2
1/2
---
---
---
7/8
7/8
7/8
7/8
7/8
7/8
----
----
----
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
Page 10
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