Ambrell EasyHeat 0112, Technical Handbook

Page: 58 / 59

Technical Information
58
Customer input
Port Active CTB1: Description Limits
Remote input analog 1-2
0 – 10 Vdc (Zin = 21k Ω )
4-20mA (Zin = 250
Ω
)
see §3
Start closed 3-4 provide isolated contact closure*
Stop open 4-5
flow switch closed 6-7
opened contact = Ω Fault
19Vdc@ 0.1A
E-stop open 15-16 opened contact = stop 3Adc min
*) contacts rated for 24Vdc min, required wetting current 3mA
Equipment output
Description Value Units
Frequency 150 - 400 kHz
1-cap heat station
RF Current
1
3 5 7 10 12 tap
90 150 210 300 300 Apk max
2-cap heat station
RF Current
1
3 4 5 6 7 8 9 11 13 15 16 tap
90
120 150 180 210 240 270 330 390 400 400
Apk max
1kW model 2kW model
P
load
, deliverable
2
1 2 kW max
Eff’y, line-coil >90 %
1.) refer to §3 for complete transformer settings information
2) using 2”, 4-turn coil with matched calorimeter
Customer output
Port Active CTB1: Description Limits
Ready closed 8-9 isolated solid-state output, non-
polarized 24Vdc @ 1A
Heat On closed 10-11
Fault closed 12-13
24V dc 14-16
ground referenced
24V ± 2% @1A
4
4
.
.
3
3
E
E
n
n
v
v
i
i
r
r
o
o
n
n
m
m
e
e
n
n
t
t
a
a
l
l
Value Range Units
ambient temp 40 – 105 (4 – 41)
° F ( ° C)
water temp
1
68 – 95 (20 – 35)
1kW model 2kW model
flow (minimum) 0.4 (1.5) 0.7 (2.6) g/m (l/m)
pressure
2
40 – 80 (2.8 – 5.51) lb/in
2
(bar)
pH 7 pH
conductivity
resistivity @25
° C
less than 65000
greater than 2000
Ω• cm
solids less than 150 ppm
1.) Water temperature must not fall below the dew point in any case; condensation may result in nuisance
problems or damage to the equipment
2.) You must assure that the differential (inlet minus outlet) pressure falls within this range.