WDH
Ground source heat pumps
MTWDHGB
REV.072008
5
INDEX
INDEX
Declaration
of
conformity
page
3
Aim and contents of this manual
page 6
How
to
keep
this
manual
page
6
Graphic
symbols
page
6
Safety
laws
page
7
General
safety
guidelines
page
7
Workers’
health
and
safety
page
8
Protective
equipment
page
8
Safety
signs
page
8
Technical
characteristics
page
9
Technical
data
page
11
WDH heating capacity and compressors input power
page 12
WDH/RV cooling capacity and compressors input power
page 16
Domestic
hot
water
production page
19
Source side heat exchangers water pressure drops
page 20
User side heat exchangers water pressure drops
page 21
Refrigerant
layouts
page
22
Free
cooling
capacities
page
26
Partial
heat
recovery
capacity page
27
Water
pumps
available
static
pressure
page
28
Operation
limits
page
29
Compressors
capacity
step
controls
page
30
Corrections
tables
page
30
Sound
Data
page
31
Safety
Device
Setting
page
32
Electric
data
page
32
Inspection page
32
Lifting
and
handling page
32
Location and minimum technical clearances
page 33
Hydraulic
circuit
page
34
Unit
display
page
35
Electrical
connections
page
36
Start
up
page
36
Maintenance
and
periodic
checks
page
37
Refrigerant
circuit
repair
page
38
Environment
protection
page
38
Unit
out
of
service
page
38
Fault
finding
page
38
Dimensions
page
39
Summary of Contents for WDH 039
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