DriSteem RL-3 User manual

RL Series
DEHUMIDIFIER
DEHUMIDIFIER
Installation, Operation, and
Maintenance Manual
Read and save these instructions

2DEHUMIDIFIER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
WARNING CAUTION
Indicates a hazardous situation that could result in death or
serious injury if instructions are not followed.
Indicates a hazardous situation that could result in damage to or
destruction of property if instructions are not followed.
WARNING
• High voltage may cause serious injury from electric shock. Disconnect electrical power before starting installation or
servicing. Leave power disconnected until installation/service is completed.
• Sharp edges may cause serious injury from cuts. Use care when cutting plenum openings and handling duct work.
• Dropping may cause personal injury or equipment damage. Handle with care and follow installation instructions.
Warnings and cautions
CAUTION
• Read all instructions before beginning installation.
• This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning
use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not
play with the appliance.
• Do not use in pool applications. Pool chemicals can damage the dehumidifier.
• Do not use solvents or cleaners on or near the circuit board. Chemicals can damage circuit board components.
• Wait 24 hours before running the unit if it was not shipped or stored in the upright position.
• If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons
in order to avoid a hazard.
• If hard wiring the appliance, install a disconnect within eyesight of the appliance which provides full disconnection
under overvoltage category III conditions. Refer to local and national codes and full instructions on page 38.

3
DEHUMIDIFIER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
Table of contents
ATTENTION INSTALLER
Read this manual before installing.
Leave manual with product owner.
DriSteem®Technical Support
800-328-4447
WHERE TO FIND MORE INFORMATION
Our web site:
The following documents are available on our
web site: www.dristeem.com
• Dehumidifier Brochure
• Dehumidifier IOM
Call us at 800-328-4447
Obtaining documents from our web site is the
quickest way to view our literature.
Learn More
OVERVIEW.................................................................4
Product overview.........................................4
Unpacking the dehumidifier .................................8
Included in the shipping carton ...............................9
SPECIFICATIONS ............................................................10
Models, capacities, and electrical specifications ..................10
Dimensions ............................................14
INSTALLATION .............................................................15
Selecting a location .....................................15
Mounting .............................................16
RL-3, RL-4, and RL-6 mounting ............................18
RL-3, RL-4, and RL-6 trapeze mount ........................20
RL-9 mounting .......................................22
RL-14 mounting ......................................23
RL-31 mounting ......................................24
Drain installation (Models RL-14 and RL-31) .....................25
Duct installation.........................................28
Model RL-9 duct installation .............................29
Model RL-14 duct installation ............................32
Model RL-31 duct installation ............................35
Hard wire - line voltage (RL-9, RL-14, and RL-31 only) ..............38
System set-up & checkout ..................................40
Wiring and setup of the D77 controller ........................42
Alternative external control or DriSteem BACnet®humidistat..........44
Daisy chain wiring ......................................45
MAINTENANCE ............................................................47
TROUBLESHOOTING.........................................................49
REPLACEMENT PARTS ........................................................52
Model RL-3 ............................................52
Model RL-4 ............................................54
Model RL-6 ............................................56
Model RL-9 ............................................58
Model RL-14 ...........................................60
Model RL-31 ...........................................62
WARRANTY ...............................................................64

4DEHUMIDIFIER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
ON/OFF button
used to turn
dehumidifier on
and off
Up/Down
buttons used
to change
humidity setting
MODE button
used for
optional features
Product overview
OVERVIEW
FIGURE 4-1: DEHUMIDIFIER CONTROL FIGURE 4-2: MODEL RL-3 DEHUMIDIFIER
Inlet Filter Access Door Drain
Dehumidifier Control Outlet
FIGURE 4-3: MODEL RL-4 DEHUMIDIFIER
Dehumidifier Control
Inlet Filter
Access Door
Drain
Outlet

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DEHUMIDIFIER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
Dehumidifer Control
Inlet
Filter
Drain
Outlet
90-2393
Product overview
FIGURE 5-2: MODEL RL-9 DEHUMIDIFIER
FIGURE 5-1: MODEL RL-6 DEHUMIDIFIER
Dehumidifier Control
Inlet Filter Access Door Drain
Outlet
RL-6 angle
OVERVIEW

6DEHUMIDIFIER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
OVERVIEW
Product overview
FIGURE 6-1: MODEL RL-14 DEHUMIDIFIER
Dehumidifier Control
Inlet
Filter
Outlet
90-2432

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DEHUMIDIFIER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
Product overview
OVERVIEW
Dehumidifier Control
Electrical Panel
Access Door
Inlet
Filter
Outlet
90-2528
FIGURE 7-1: MODEL RL-31 DEHUMIDIFIER

8DEHUMIDIFIER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
UNPACKING THE DEHUMIDIFIER
Disassemble the carton, but leave the unit attached to the
pallet for installing the unit with a forklift or scissors lift.
IMPORTANT:
• For Models RL-3, RL-4, RL-6, and RL-9, cut the strap
securing the compressor shipping support bracket and
remove the strap and shipping bracket. Reinstall screws
for RL-6 and RL-9. See Figures 8-1 and 8-2.
Unpacking the dehumidifier
90-1908
OVERVIEW
FIGURE 8-1: MODELS RL-3 AND RL-4 REMOVE SHIPPING
BRACKET
90-2013
FIGURE 8-2: MODELS RL-6 AND RL-9 REMOVE SHIPPING
BRACKET
Remove shipping bracket
Cut off
plastic
strap
Remove screws (2), discard
shipping bracket, reinstall
screws (2)
Cut off
plastic
strap

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DEHUMIDIFIER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
Included in the shipping carton
Table 9-1:
Included in the shipping carton
Model
RL-3
Model
RL-4
Model
RL-6
Model
RL-9
Model
RL-14
Model
RL-31
Dehumidifier √ √ √ √ √ √
Installation Manual √ √ √ √ √ √
Hanging brackets - - - √ √ √
3/4" (DN20) P-Trap - - - - √ √
3/4" MNPT x 3/4" (DN20
x 20 mm) female pipe - - - - √ √
3/4" MNPT x 3/4" (DN20
x 20 mm) hose barb fitting √ √ √ √ - -
3/4" x 3/4" x 3/4"
(DN20 x DN20 x DN20)
T-fitting
- - - - √ √
30' (9.2 m) of thermostat
cable - - - √ √ √
MERV 11 disposable filter √ √ √ √ √ √
Inlet/outlet duct collars √ √ √ - - -
10' (3 m) of 3/4" (DN20)
drain tube √ √ √ √ - -
OVERVIEW

10 DEHUMIDIFIER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
Models, capacities, and electrical specifications
Table 10-1:
RL Series Specifications
Model RL-3 Model RL-4 Model RL-6 Model RL-9 Model RL-14 Model RL-31
Capacity(1) 70 pints/day
(3 lb/hour)
100 pints/
day
(4 lb/hour)
130 pints/
day
(6 lb/hour)
210 pints/day
(9 lb/hour)
320 pints/day
(14 lb/hour)
340 pints/
day
(15 lb/
hour)
710 pints/day (31 lb/hour)
Voltage
120 VAC,
1 Phase,
60 HZ
120 VAC,
1 Phase,
60 HZ
120 VAC,
1 Phase,
60 HZ
208-240 VAC,
1 Phase,
60 HZ
208-240 VAC,
1Phase,
60 HZ
277 VAC,
1Phase, 60
HZ
208-240 VAC,
1 Phase,
60 HZ
277 VAC,
1Phase,
60 HZ
Operating
Current (1)
5.8A
240 VAC
6.9A
240 VAC
8.3A
240 VAC
8.6A
240 VAC
11.1A
240 VAC
9.2A
277 VAC
19.6A
240 VAC
17.4A
277 VAC
Rated Current - - - - 20 amp breaker 24A (install on dedicated
30A circuit)
Efficiency (1)
2.1 L/kWh
(4.4 pints/
kWh)
2.6 L/kWh
(5.5 pints/
kWh)
2.8 L/kWh
(5.9 pints/
kWh)
2.9 L/kWh
(6.1 pints/
kWh)
2.9 L/kWh
(6.1 pints/
kWh)
2.5 L/kWh
(5.3 pints/
kWh)
3.0 L/kWh
(6.3 pints/kWh)
Recommended
Breaker Size 15A 15A 15A 15A 20A 20A 30A 30A
Recommended
Wire Gauge
14 AWG,
Copper
14 AWG,
Copper
14 AWG,
Copper
14 AWG,
Copper
12 AWG,
Copper
12 AWG,
Copper
10 AWG,
Copper
10 AWG,
Copper
Maximum Fuse
or Breaker Size
(MOC)
- - - 19A 30A or lower 25A or
lower
40A at 208V
35A at 240V 30A
Minimum Circuit
Ampacity (MCA) - - - 11A 21.9A at 208V 18.5A 28A at 208V 25A at 240V 21A
Operating
Temperature
Range
50°F to 104°F (10°C to 40°C), 60°F/40% RH to 85°F/80% RH (15.6°C/40% RH to 25.9°C/80% RH)
(ideal conditions for unit to not go into defrost or shut down due to high pressure)
Operating Dew
Point Lower Limit 40°F (4°C) 36°F (2°C)
Operating
Weight
56 lbs
(25 kg)
64 lbs
(29 kg)
98 lbs
(45 kg)
85 lbs
(39 kg) 180 lbs (82 kg) 360 lbs (163 kg)
Shipping Weight 84 lbs
(38 kg)
87 lbs
(40 kg)
129 lbs
(59 kg)
118 lbs
(54 kg) 214 lbs (97 kg) 385 lbs (175 kg)
Drain Size 3/4" FNPT
Filter
(MERV 11)
8" x 11.75"
x 1"
11.88" x
13.5" x 1"
14" x 19"
x 1"
14" x 18"
x 2" 20"x22"x2" 30" x 32" x 2"
Airflow @0.0"
ESP
200 CFM
(340 m3/h)
280 CFM
(476
m3/h)
310 CFM
(527 m3/h)
525 CFM
(892 m3/h) 830 CFM (1410 m3/h) 1760 CFM (2990 m3/h)
Power cord Units shipped with 8' (2.43 m) power cord Units shipped with 10' (3.05 m) power cord or can be hard wired.
Dehumidifier
control 50°F and 104°F (10°C to 40°C) cut off
External control On/off dry contact
(1) Rated capacity and energy factor test done and current draw measured in accordance with AHAM DH-1 2008 at 80°F (26.7°C), 60% RH inlet
air at 0.0 ESP.
SPECIFICATIONS