ECR International Deluxe Heat DHSZ109DA Installation Manual Download Page 17

Page 

DOUBLE-CHECK PIPE CONNECTIONS

During operation, the pressure of the 

refrigerant circuit will increase. This may 

reveal leaks that were not present during your 

initial leak check. Take time during the Test 

Run to double-check that all refrigerant pipe 

connection points do not have leaks. Refer to 

Gas Leak Check 

section for instructions.

5.

After the Test Run is successfully completed,

and you confirm that all checks points in List

of Checks to Perform have PASSED, do the

following:

a.

Using remote control, return unit to

normal operating temperature.

b.

Using insulation tape, wrap the indoor

refrigerant pipe connections that you

left uncovered during the indoor unit

installation process.

IF AMBIENT TEMPERATURE IS BELOW 

 

(

)

You can’t use the remote controller to turn 

on the COOL function when the ambient 

temperature is below 

6

17°C . In this 

instance, you can use the 

MANUAL 

CONTROL 

button to test the COOL function.

1.

Lift the front panel of the indoor unit, and

raise it until it clicks in place.

2.

The 

MANUAL CONTROL 

button is located

on the right-hand side of the unit. Press it 2

times to select the COOL function. See

Fig.8.1

.

3.

Perform Test Run as normal.

Fig. 8.1

Test Run

Manual control 
button

Summary of Contents for Deluxe Heat DHSZ109DA

Page 1: ...201 Dwyer Avenue Utica NY 13501 Tel 800 253 7900 www ecrinternational com PN 615000258 REV A 01 16 2019 IN ON DUCTLESS OUTDOOR UNIT Installation anual PRESENTS MODELS DHSZ109DA 9 k DHSZ112DA 12 k DHSZ118DA 18 k DHSZ124DA 24 k ...

Page 2: ... actual shape should prevail CONTENTS PAGE SAFETY PRECAUTIONS 3 OUTDOOR UNIT INSTALLATION 4 CLEARANCES 4 UNIT DIMENSIONS 6 ELECTRICAL DATA 7 REFRIGERANT PIPING REQUIREMENTS 9 AIR EVACUATION 13 ELECTRICAL AND GAS LEAK CHECKS 15 TEST RUN 16 DISPOSAL GUIDELINES 18 SPECIFICATIONS AND PERFORMANCE 19 615000258 REV A 01 16 19 Page 2 ...

Page 3: ... a quenching cloth and fire extinguisher nearby when brazing Use care in handling rigging and setting bulky equipment Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit Consult local building codes and current editions of the National Electrical Code NEC NFPA 70 In Canada refer to current editions of the Canadian electrical code C...

Page 4: ...own in Installation Space Requirements Fig 4 1 Good air circulation and ventilation Firm and solid the location can support the unit and will not vibrate Noise from the unit will not disturb others Protected from prolonged periods of direct sunlight or rain DO NOT install unit in the following locations Near an obstacle that will block air inlets and outlets Near a public street crowded areas or w...

Page 5: ...tdoor unit If the drain joint comes with a rubber seal see Fig 4 4 A do the following 1 Fit the rubber seal on the end of the drain joint that will connect to the outdoor unit 2 Insert the drain joint into the hole in the base pan of the unit 3 Rotate the drain joint 90 until it clicks in place facing the front of the unit 4 Connect a drain hose extension not included to the drain joint to redirec...

Page 6: ...NTING DIMENSIONS The following is a list of different outdoor unit sizes and the distance between their mounting feet Prepare the installation base of the unit according to the dimensions below A W B D Air inlet Air outlet Air inlet A W B D Air inlet Air outlet Air inlet Fig 4 5 Outdoor Unit Installation WHEN DRILLING INTO CONCRETE EYE PROTECTION IS RECOMMENDED AT ALL TIMES Outdoor Unit Dimensions...

Page 7: ...licensed electrician All electrical connections must be made according to the Electrical Connection Diagram located on the side panels of the indoor and outdoor units If there is a serious safety issue with the power supply stop work immediately Explain your reasoning to the client and refuse to install the unit until the safety issue is properly resolved Power voltage should be within 90 110 of r...

Page 8: ...terminal block and place it to the side 4 Match the wire colors labels with the labels on the terminal block and firmly screw the u lug of each wire to its corresponding terminal 5 After checking to make sure every connection is secure loop the wires around to prevent rain water from flowing into the terminal 6 Using the cable clamp fasten the cable to the unit Screw the cable clamp down tightly 7...

Page 9: ...he table below for specifications on the maximum length and drop height of piping Maximum Length and Drop Height of Refrigerant Piping per Unit Model Model Capacity BTU h Max Length Max Drop Height R410A Inverter Split Air Conditioner 15 000 8 5 15 000 and 24 000 98 5 66 24 000 and 36 000 6 5 8 5 Connection Instructions Refrigerant Piping Step 1 Cut pipes When preparing refrigerant pipes take extr...

Page 10: ...f the pipe Pipe Reamer Point down Step 3 Flare pipe ends Proper flaring is essential to achieve an airtight seal 1 After removing burrs from cut pipe seal the ends with PVC tape to prevent foreign materials from entering the pipe 2 Sheath the pipe with insulating material 3 Place flare nuts on both ends of pipe Make sure they are facing in the right direction because you can t put them on or chang...

Page 11: ...two pipes that you will connect 5 See Fig 5 7 Indoor unit tubing Flare nut Pipe Tighten the flare nut as tightly as possible by hand Using a spanner grip the nut on the unit tubing While firmly gripping the nut on the unit tubing use a torque wrench to tighten the flare nut according to the torque values in the Torque Requirements table below Loosen the flaring nut slightly then tighten again Fig ...

Page 12: ...protective caps from ends of valves 3 Align flared pipe end with each valve and tighten the flare nut as tightly as possible by hand 4 Using a spanner grip the body of the valve Do not grip the nut that seals the service valve See Fig 5 10 5 While firmly gripping the body of the valve use a torque wrench to tighten the flare nut according to the correct torque values 6 Loosen the flaring nut sligh...

Page 13: ...ure pipes between the indoor and outdoor units are connected properly in accordance with the Refrigerant Piping Connection section of this manual Check to make sure all wiring is connected properly Evacuation Instructions Before using the manifold gauge and vacuum pump read their operation manuals to familiarize yourself with how to use them properly Manifold Gauge Compound gauge 76cmHg Low pressu...

Page 14: ...efer to Gas Leak Check section for information on how to check for leaks If there is no change in system pressure unscrew the cap from the packed valve high pressure valve 9 Insert hexagonal wrench into the packed valve high pressure valve and open the valve by turning the wrench in a 1 4 counterclockwise turn Listen for gas to exit the system then close the valve after 5 seconds Watch the Pressur...

Page 15: ... electrical leakage test If electrical leakage is detected turn off the unit immediately and call a licensed electrician to find and resolve the cause of the leakage Note This may not be required for some locations in the US Gas Leak Checks There are two different methods to check for gas leaks Soap and Water Method Using a soft brush apply soapy water or liquid detergent to all pipe connection po...

Page 16: ...ller to turn it on 3 Press the MODE button to scroll through the following functions one at a time COOL Select lowest possible temperature HEAT Select highest possible temperature 4 Let each function run for 5 minutes and perform the following checks List of Checks to Perform PASS FAIL No electrical leakage Unit is properly grounded All electrical terminals properly covered Indoor and outdoor unit...

Page 17: ...mote control return unit to normal operating temperature b Using insulation tape wrap the indoor refrigerant pipe connections that you left uncovered during the indoor unit installation process IF AMBIENT TEMPERATURE IS BELOW You can t use the remote controller to turn on the COOL function when the ambient temperature is below 6 17 C In this instance you can use the MANUAL CONTROL button to test t...

Page 18: ...nicipal waste When disposing of this appliance you have the following options Dispose of the appliance at designated municipal electronic waste collection facility Sell the appliance to certified scrap metal dealers Special notice Disposing of this appliance in the forest or other natural surroundings endangers your health and is bad for the environment Hazardous substances may leak into the groun...

Page 19: ...Additional Refrigerant Calculation A R A A 0 16 15 NOTES E NOTE T A R Refrigerant Piping E Page ...

Page 20: ...All specifications subject to change without notice 2018 ECR International Inc 2201 Dwyer Avenue Utica a NY 13501 Tel 800 253 7900 www ecrinternational com BDR THERMEA GROUP ...

Reviews: