Download Installation Manual

12-Feb-00
Maritime Geothermal Ltd.
Revision 1.35
Color: Caissie Grey
Models: DXW-45-55-65
Style: Horizontal
Maritime Geothermal Ltd.
Direct Expansion-to-Water Heat Pumps
Date: March 1998
Drawn By: G. Kaye
Title: Cabinet & Piping Layout
Receiver
Brazed Plate or Coaxial
Heat Exchanger
Accumulator
Compressor
Electrical Box
Front
TXV Bank
Unit cabinet constructed of 20 gauge satin
galvanized sheet metal. Reinforcing devices
placed in all high stress areas.
All components are easily accessible through
four full length removable doors.
Cabinet is fully insulated with flame retardant accoustic
material.
Back
Left
3-Way Valve Bank
2-1/2"
2-1/2"
Control System Connection
(18-3) Thermostat Wire (24VAC)
2-1/2"
2-1/2"
Electrical Supply for Internal
Circulator (14-2) Wire
115v 1 Phase 60 Hz
26"
2-1/2"
1/2" diameter hole
12"
2-1/2"
Refrigeration
Service Ports
2"
3/8" OD Liquid Lines
1" ID Main Buffer Tank Connections
1" diameter hole
4"
1-1/2"
1/2" OD Vapour Lines
2"
2"
2"
28"
Back View
Left View
Brazed Plate Heat Exchanger —Water Flow Vs. Pressure drop Tables (Psig.)
(Igpm)
W-45 (CB50-30)
W-55 (CB50-38)
W-65 (CB50-50)
12
6.09 psig.
3.86
2.33
10
4.5
2.88
1.73
9
3.2
2.04
1.23
7
2.1
1.33
.80
5
1.22
.77
.46
3
.56
.35
.21
Page .... 20
2"
3"
1-1/2"
3"
2"
2"
3"
42"
2"
2"
7/8" diameter hole
Electrical Supply for Heat Pump
(12-3) Wire 575v 3 Phase 60Hz
3/4" ID Domestic Hot Water Lines
(Optional)