The Heat Recovery Ventilation
(HRV) system offered by Carrier is
the finest unit on the market today.
The HRVC provides efficient and costeffective heat recovery during the
heating season when needed most.
As temperatures drop below 23°F
(–5°C), indoor air is recirculated
periodically through the heat
exchanger core to prevent frost from
forming. Competitors’ methods of
supplementary electric defrost waste
energy. Unlike rotary wheel heat
exchangers which mix air streams,
these cross flow or counterflow heat
exchangers ensure that there is no
mixing of the stale air stream with
the fresh outdoor air stream.
A filter installed on the incoming
outdoor air stream removes large
HRVCCSVCHRVCCLHU
airborne particles from the intake air
stream before they enter the heat
exchanger and reduces the
maintenance required.
The units’ acoustically engineered
design makes them the quietest on
the market and ensures that comfort
is felt, not heard.
Unlatching 2 suitcase style latches
allows easy removal of the filters and
core for cleaning.
Note: The HRV should not be
installed in an attic or unconditioned
space unless provisions are made for
drainline freezing and condensation.
HRVCCLVU
Copyright 2005 Carrier CorporationForm HRV-2PD
FEATURES
• Energy saving defrost cycle
• Cross flow, counterflow heat
exchangers
• One filter on incoming air;
one filter on outgoing air to
protect core
• Acoustical design
• No-tools maintenance
• Polypropylene heat exchanger core
Model number nomenclature
HRVCCLHU1150
Electrical Supply:
1 — 115 volts
Descriptor:
LHU — Large Horizontal Unit
SVU — Small Vertical Unit
LVU — Large Vertical Unit
112 — 11-1/2 x 12-3/4
116 — 11-7/8 x 16-5/8
123 — 12-15/16 x 13-1/2
145 — 14-3/8 x 15-1/2
713 — 7-13/16 x 13-1/2
810 — 8-1/8 x 10-3/4
812 — 8-7/8 x 12-3/4
916 — 9 x 16-5/8
01 — Single Pack
01 — Part Number
AC — Accessory
CN — Control
FL — Filter Media
TM — Timer
Basic HRV ControlUsed with all HRVs
Standard HRV ControlUsed with all HRVs
Interlock RelayWhen combining an HRV with a Furnace or Fan Coil
20 Minute Push Button TimerUsed with all HRVs when 20 minute manual operation is required
60 Minute TimerUsed with all HRVs, time is adjustable between 10 and 60 minutes
Start up Balancing KitStart up Balancing Kit, includes (2) 6 in. Flow Meter Collars & Magnehelic Gage
6 in. Flow Meter CollarAt start up, when 6 in. duct work is connected to HRV
7 in. Flow Meter CollarAt start up, when 7 in. duct work is connected to HRV
8 in. Flow Meter CollarAt start up, when 8 in. duct work is connected to HRV
Internal FilterUsed with HRVCCLHU 1150 Unit 11 3/4 x 12 7/8 x 3/4 (2)
Internal FilterUsed with HRVCCLHU 1250 Unit 11 3/4 x 16 3/4 x 3/4 (2)
Internal FilterUsed with HRVCCSVU 1150 Unit 7 13/16 x 13 1/2 (2)
Internal FilterUsed with HRVCCSVU 1200 Unit 12 15/16 x 13 1/2 (2)
Internal FilterUsed with HRVCCLVU 1200 Unit 12 15/16 x 13 1/2 (2)
Internal FilterUsed with HRVCCLVU 1200 Unit 14 3/8 x 15 1/2
Internal FilterUsed with HRVCCLVU 1330 Unit 8 1/8 x 10 3/4 (1)
Internal FilterUsed with HRVCCLVU 1330 Unit 14 3/8 x 15 1/2 (1)
Internal FilterUsed with HRVCCLVU 1200 Unit 8 1/8 x 10 3/4 (1)
3
Control features
Basic Control: Allows the user to manually set fan speed to low or high as required to maximize comfort.
Standard Control: Offers automatic dehumidistat control and the option to select continuous or intermittent fan operation.
Setting the wall control to low will activate the continuous mode.
Automatic Control: In addition to the features found with standard control, this package offers a recirculation mode. These
controls may only be used to operate stand-alone units with the defrost option which enables the recirculation feature.
CONTROL
DESCRIPTION
Basic
Standard
Automatic‡
* Air exchange with outside.
† No air exchange with outside.
‡ Use only on units with defrost.
FAN
SPEED
CONTROL
YesNoYesNoNo
YesYesYesYesNo
Ye sYe sYe sYe sYe s
DEHUMIDISTAT
CONTROL
CONTINUOUS
MODE*
INTERMITTENT
MODE*
CIRCULATION
MODE†
Control description and usage
Fan Speed Control — Enables user to modulate fan speed from low to high air exchange with outside.
Dehumidistat Control — Allows the user to select the relative humidity level at which the unit would change fan speed for
dehumidification in the winter months.
Continuous Mode — If the relative humidity inside the building is lower than selected, air exchange occurs with the outside
at low speed. If the relative humidity inside the house is higher than selected, air exchange occurs with the outside at high
speed. Ensures continuous air exchange for constant air quality.
Intermittent Mode — If the relative humidity inside the building is lower than selected, no air exchange occurs and the
system turns off. If the relative humidity inside the house is higher than selected, air exchange occurs with the outside at high
speed. Ensures minimum air exchange level when the building is unoccupied to minimize operating costs.
Circulation Mode — If the relative humidity inside the building is lower than selected, the ambient air would be circulated
and filtered at high speed. If the relative humidity inside the house is higher than selected, air exchange would occur with the
outside at high speed. Ensures continuous movement and filtration of air for maximum comfort. Available with automatic
control only.
Automatic defrost cycle features
All models offer a non-electric defrost cycle feature which prevents frost and ice buildup within the heat recovery core. When
the outside air temperature falls below 23°F (–5°C) it is electronically sensed and the dampers close the outside air ports. This
allows warm indoor air to recirculate within the heat recovery core. The frequency of this cycle increases as the outside air
temperature decreases.
23°F TO 55°F (–5°C TO –15°C)4°F TO –17°F (–15.6°C TO –27.3°C)BELOW –18°F (–27.8°C)
MODEL
HRVCCLHU
HRVCCSVU
HRVCCLVU
* All defrost times are in the standard mode (as shipped)
† Time between defrost when within specified temperature range
The cooling load chart shows loads in Btuh as well. To use the cooling load chart, first find the design enthalpy from a
psychrometric chart using the design dry bulb and wet bulb temperatures. (See psychrometric chart on p. 11.) The cooling
load can then be found for a range of enthalpies for each ventilator.
EXAMPLE: The cooling design dry bulb temperature for Milwaukee, WI is 87°F and the average wet bulb at that
temperature is 73°F. On the psychrometric chart the enthalpy is about 37.7 Btu/lb of dry air which will round
up to 38 Btu/lb of dry air. In the left column, at 38 Btu/lb the HRVCCLHU1250 would have an additional
cooling load of 6428 Btuh. This additional load should be taken into account when sizing the air cooling
equipment.
10
.35
Pounds of moisture
per pound of dry air
180
105
Grains of moisture
per pound of dry air
.025
170
.024
.40
.023
160
.022
150
.45
.021
140
.020
.50
.019
130
.018
.001
14.5 cu ft per pound of dry air
A98394
0
.65
.60
.55
.017
.016
.70
.015
.75
.014
.85
.95
.90
.80
.013
.012
.011
heat
factor
Sensible
.007
.008
.009
.010
.006
.005
.004
.003
.002
110
120
110
100
70
80
90
pound of dry air -0.3 Btu
Btu per
60
Enthalpy deviation
40
50
30
20
10
0
105
Enthalpy at saturation, Btu per pound of dry air
49
100
95
90
85
48
100
-.02 BTU
14.0 cu ft
95
90
-.01 BTU
10%
20%
85
30%
60
-.04 Btu
-.02 Btu
40%
-.06 Btu
55
-.08 Btu
80
13.5 cu ft
75
70
65
60
13.0 cu ft
55
80
50%
60%
70%
47
46
45
44
43
42
41
40
75
39
38
37
36
35
80%
90% Relative Humidity
70
34
33
32
31
65
30
29
28
27
Psychrometric chart
50
26
25
24
23
22
21
20
18
45
19
40
35
17
16
15
14
13
12
tu
+0.1 Btu
30
0.2 B
+
80%
+0.3 Btu
60%
40%
25
12
11
10
9
8
7
Wet Bulb,
Dewpoint or
Saturation
Temperature F
tu
+0.5 B
+0.4 Btu
20%
50
45
303540
25
20
Dry Bulb
Temperature F
12.5 cu ft
Below 32˚F, properties and enthalpy deviation lines are for ice.
11
HRV installed with forced air system
A99297
HRV installed with independent air distribution
A99298
Copyright 2005 Carrier Corporation • Indianapolis, IN 4623104-05
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book14Page 12Printed in U.S.A.PC 101Form/Catalog No. HRV-2PD
Tab10a 12a
Replaces: HRV-1PD
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